<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        [class^="icon-"],
        [class*=" icon-"]{
            width: 100px;
            height: 50px;
            background-color: red;
        }
    </style>
</head>
<body>
<div class="icon-test">111111</div>
<div>22222</div>
<div>33333</div>
<div class="icon-next">44444</div>
<div class="text icon-hhh">55555</div>
</body>
</html>